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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 4-(2-iodoethyl)pyridine-1-15N hydroiodide 1241833-42-0 C7H8IN*HI
    4-(2-iodoethyl)pyridine-1-15N hydroiodide
    —— 4,4-di-p-anisylthiazolidine-2,5-dithione 144267-26-5 C17H15NO2S3
    4,4-di-p-anisylthiazolidine-2,5-dithione
    —— 4'-methoxy-1,1'-biphenylphosphonic acid monoethyl ester 1632125-47-3 C15H17O4P
    4'-methoxy-1,1'-biphenylphosphonic acid monoethyl ester
    —— [4-(4-Methoxy-phenyl)-thiazol-2-ylsulfanyl]-acetic acid [1-(2-hydroxy-3-methoxy-phenyl)-meth-(E)-ylidene]-hydrazide 112779-63-2 C20H19N3O4S2
    [4-(4-Methoxy-phenyl)-thiazol-2-ylsulfanyl]-acetic acid [1-(2-hydroxy-3-methoxy-phenyl)-meth-(E)-ylidene]-hydrazide
    —— 4-{1-[(E)-2,6-Dimethyl-phenylimino]-propyl}-benzoic acid ethyl ester 126566-73-2 C20H23NO2
    4-{1-[(E)-2,6-Dimethyl-phenylimino]-propyl}-benzoic acid ethyl ester
    —— (4S,1'R)-4-(1-Methylethyl)-2-(1-methyl-1-phenyl-3-butenyl)-4,5-dihydrooxazole 98877-42-0 C17H23NO
    (4S,1'R)-4-(1-Methylethyl)-2-(1-methyl-1-phenyl-3-butenyl)-4,5-dihydrooxazole
    —— (4S,6R,8S,10S)-11-Benzyloxy-4,6,8,10-tetramethyl-3-triisopropylsilanyloxy-undecanenitrile 552298-33-6 C31H55NO2Si
    (4S,6R,8S,10S)-11-Benzyloxy-4,6,8,10-tetramethyl-3-triisopropylsilanyloxy-undecanenitrile
    —— 4β-bromo-5α-cholestan-3α-ol 75676-56-1 C27H47BrO
    4β-bromo-5α-cholestan-3α-ol
    —— 4,4'-((2E,4E,6E)-3,6-dibromoocta-2,4,6-triene-2,7-diyl)bis(chlorobenzene) 1416772-19-4 C20H16Br2Cl2
    4,4'-((2E,4E,6E)-3,6-dibromoocta-2,4,6-triene-2,7-diyl)bis(chlorobenzene)
    —— 4-cyano-N-(5-hydroxynaphthalen-1-yl)benzamide 1186211-64-2 C18H12N2O2
    4-cyano-N-(5-hydroxynaphthalen-1-yl)benzamide
    —— 4'-deoxy-20',20'-difluoro-12'-iodovinblastine 1012874-46-2 C46H55F2IN4O8
    4'-deoxy-20',20'-difluoro-12'-iodovinblastine
    —— 4-(3,3-dimethylspiro{bicyclo[2.2.1]heptan-2,5'-isoxazoline-2}-3'-yl)-2-(α-naphthyl)-2,3-dihydro-1H-1,5-benzodiazepine 1295578-25-4 C30H31N3O
    4-(3,3-dimethylspiro{bicyclo[2.2.1]heptan-2,5'-isoxazoline-2}-3'-yl)-2-(α-naphthyl)-2,3-dihydro-1H-1,5-benzodiazepine
    —— 4-amino-chroman-2-carboxylic acid ethyl ester trifluoroacetate 1210458-01-7 C2HF3O2*C12H15NO3
    4-amino-chroman-2-carboxylic acid ethyl ester trifluoroacetate
    —— 4-amino-5-(4-isobutoxy-phenyl)-1<i>H</i>-pyrimidine-2-thione 35101-21-4 C14H17N3OS
    4-amino-5-(4-isobutoxy-phenyl)-1<i>H</i>-pyrimidine-2-thione
    —— 4-methyl-N-[(2R)-3-oxo-1-phenylbutan-2-yl]benzenesulfonamide 1431756-31-8 C17H19NO3S
    4-methyl-N-[(2R)-3-oxo-1-phenylbutan-2-yl]benzenesulfonamide
    —— 4,5-dichloro-pregnane-3,11,20-trione 102453-32-7 C21H28Cl2O3
    4,5-dichloro-pregnane-3,11,20-trione
    —— 4-[4-(3-Allyloxy-5-hydroxyphenyl)-4'-amino-[2,5']bithiazolyl-2'-ylamino]-benzenesulfonamide 312762-00-8 C21H19N5O4S3
    4-[4-(3-Allyloxy-5-hydroxyphenyl)-4'-amino-[2,5']bithiazolyl-2'-ylamino]-benzenesulfonamide
    —— 4-hydroxy-3-{3-[4-(pyrrolidin-1-yl-carbonyl)-3-methyl-phenyl]-propargylamino}-benzamidine 476304-17-3 C22H24N4O2
    4-hydroxy-3-{3-[4-(pyrrolidin-1-yl-carbonyl)-3-methyl-phenyl]-propargylamino}-benzamidine
    —— 4-methoxyphenyl 2-azido-3-O-benzoyl-2,4,6-trideoxy-4-phthalimido-α-D-galactopyranoside 1259298-37-7 C28H24N4O7
    4-methoxyphenyl 2-azido-3-O-benzoyl-2,4,6-trideoxy-4-phthalimido-α-D-galactopyranoside
    —— 4-ethoxy-1-(2-O-methyl-β-D-ribofuranosyl)-2-pyrimidinone 259823-18-2 C12H18N2O6
    4-ethoxy-1-(2-O-methyl-β-D-ribofuranosyl)-2-pyrimidinone
    —— 4-Cyclohexyloxy-5-oxo-4,5-diphenyl-pentanoic acid methyl ester 35291-48-6 C24H28O4
    4-Cyclohexyloxy-5-oxo-4,5-diphenyl-pentanoic acid methyl ester
    —— (4E,6E)-8-hydroxy-4-methylnona-4,6-dienenitrile-2-13C 125095-67-2 C10H15NO
    (4E,6E)-8-hydroxy-4-methylnona-4,6-dienenitrile-2-13C
    —— 4-(1,2,4-triazol-1-yl)-1-(2-O-octyl-3,5-O-di(tetrahydropyran-2-yl)-β-D-arabinofuranosyl)uracil 937028-02-9 C29H45N5O7
    4-(1,2,4-triazol-1-yl)-1-(2-O-octyl-3,5-O-di(tetrahydropyran-2-yl)-β-D-arabinofuranosyl)uracil
    —— 4-ethylaminobenzylamine 1228098-22-3 C9H14N2
    4-ethylaminobenzylamine
    —— 4-(6-bromo-2-phenyl-4-oxo-(3H)quinazolin-3-yl)-benzoic acid (4-[1,3]dioxolan-2-yl-benzylidene) hydrazide 1449658-26-7 C31H23BrN4O4
    4-(6-bromo-2-phenyl-4-oxo-(3H)quinazolin-3-yl)-benzoic acid (4-[1,3]dioxolan-2-yl-benzylidene) hydrazide
    —— 4-methoxy-6-(4-(2,4-dichlorophenyl)-1H-pyrrol-3-yl)pyrimidin-2-amine 1636155-29-7 C15H12Cl2N4O
    4-methoxy-6-(4-(2,4-dichlorophenyl)-1H-pyrrol-3-yl)pyrimidin-2-amine
    —— 4-isopropyl-1,1-dimethoxy-2,6-diphenyl-1λ5-phosphinine 56146-19-1 C22H25O2P
    4-isopropyl-1,1-dimethoxy-2,6-diphenyl-1λ5-phosphinine
    —— 4-(4-chlorophenyl)-1-methyl-7-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1,2,3,4-tetrahydroisoquinoline 1255924-88-9 C22H27BClNO2
    4-(4-chlorophenyl)-1-methyl-7-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1,2,3,4-tetrahydroisoquinoline
    —— 4-Methyl-3-<4'β-<<<N'-<(tert-butyloxy)carbonyl>-L-prolyl>amino>ethyl>phenoxy>pentanoic acid 75266-58-9 C24H36N2O6
    4-Methyl-3-<4'β-<<<N'-<(tert-butyloxy)carbonyl>-L-prolyl>amino>ethyl>phenoxy>pentanoic acid
    —— 4-(3-Chlorophenyl)-5-(1,2,4-triazol-1-yl)-1,3-thiazol-2-amine 936105-07-6 C11H8ClN5S
    4-(3-Chlorophenyl)-5-(1,2,4-triazol-1-yl)-1,3-thiazol-2-amine
    —— 4,5-dihydro-3-methyl-1-phenyl-4-p-tolyl-1H-pyrazolo[3,4-d]pyrimidin-6(7H)-one 1318265-29-0 C19H18N4O
    4,5-dihydro-3-methyl-1-phenyl-4-p-tolyl-1H-pyrazolo[3,4-d]pyrimidin-6(7H)-one
    —— 4-[(2-methoxy-naphthalen-1-yl)-(5-methyl-thiophen-2-yl)-methyl]-morpholine 24684-98-8 C21H23NO2S
    4-[(2-methoxy-naphthalen-1-yl)-(5-methyl-thiophen-2-yl)-methyl]-morpholine
    —— 4-[4-[[[[2,6-dimethylphenyl]amino]carbonyl]amino]phenoxy]-N-methylpyridine-2-carboxamide 1285533-91-6 C22H22N4O3
    4-[4-[[[[2,6-dimethylphenyl]amino]carbonyl]amino]phenoxy]-N-methylpyridine-2-carboxamide
    —— 4-((3S,3aR,4S)-4-((tert-butyldimethylsilyl)oxy)-3-(2-methoxyethoxy)-3a,4,5,6-tetrahydro-3H-pyrrolo[1,2-b]pyrazol-2-yl)-2-chloro-3-methylbenzonitrile 1421376-03-5 C23H34ClN3O3Si
    4-((3S,3aR,4S)-4-((tert-butyldimethylsilyl)oxy)-3-(2-methoxyethoxy)-3a,4,5,6-tetrahydro-3H-pyrrolo[1,2-b]pyrazol-2-yl)-2-chloro-3-methylbenzonitrile
    —— 4-(3-methyl-3-butenyl)-4,5,6,6a-tetrahydro-5,5,6a-trimethyl-2(1H)-pentalenone 122948-09-8 C16H24O
    4-(3-methyl-3-butenyl)-4,5,6,6a-tetrahydro-5,5,6a-trimethyl-2(1H)-pentalenone
    —— 4-cyclohexyl-3-(4-methoxyphenyl)-1-phenylbutan-1-one 77336-76-6 C23H28O2
    4-cyclohexyl-3-(4-methoxyphenyl)-1-phenylbutan-1-one
    —— 4-(4-ethoxyphenyl)-N-(6-methylpyridin-2-yl)-2,4-dioxobutanamide 180537-62-6 C18H18N2O4
    4-(4-ethoxyphenyl)-N-(6-methylpyridin-2-yl)-2,4-dioxobutanamide
    —— 4-(tert-butyl) 1-((3S,8S,9S,10R,13R,14S,17R)-10,13-dimethyl-17-((R)-6-methylheptan-2-yl)-2,3,4,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-3-yl) (((9H-fluoren-9-yl)methoxy)carbonyl)-L-aspartate 1431321-07-1 C50H69NO6
    4-(tert-butyl) 1-((3S,8S,9S,10R,13R,14S,17R)-10,13-dimethyl-17-((R)-6-methylheptan-2-yl)-2,3,4,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-3-yl) (((9H-fluoren-9-yl)methoxy)carbonyl)-L-aspartate
    —— (4S,5R)-2,2-Dioxo-5-pentyl-2λ6-[1,3,2]dioxathiolane-4-carboxylic acid ethyl ester 191277-86-8 C10H18O6S
    (4S,5R)-2,2-Dioxo-5-pentyl-2λ6-[1,3,2]dioxathiolane-4-carboxylic acid ethyl ester
    —— 4-[4-[1-(4-fluorophenylsulfonylamino)-2-phenylethyl]phenyl]butyric acid 162939-42-6 C24H24FNO4S
    4-[4-[1-(4-fluorophenylsulfonylamino)-2-phenylethyl]phenyl]butyric acid
    —— 4-isopentyl-4-phenyl-2-(2-(trifluoromethyl)phenyl)-1,2-oxazetidin-3-one 1158774-81-2 C20H20F3NO2
    4-isopentyl-4-phenyl-2-(2-(trifluoromethyl)phenyl)-1,2-oxazetidin-3-one
    —— 4-bromo-2-(4-methyl-4,5-dihydro-1(3)<i>H</i>-imidazol-2-yl)-benzenethiol 58559-43-6 C10H11BrN2S
    4-bromo-2-(4-methyl-4,5-dihydro-1(3)<i>H</i>-imidazol-2-yl)-benzenethiol
    —— 4',5'-bis(1,2,3-dithioarsolan-2-yl)-fluorescein-5-carboxylic acid diacetate 905554-51-0 C29H22As2O9S4
    4',5'-bis(1,2,3-dithioarsolan-2-yl)-fluorescein-5-carboxylic acid diacetate
    —— (4S,5S)-4-amino-2,11-dimethyl-5-hydroxy-8-oxododecane ethylene ketal 109864-61-1 C16H33NO3
    (4S,5S)-4-amino-2,11-dimethyl-5-hydroxy-8-oxododecane ethylene ketal
    —— 4-[(4R)-6-[3-[(4R)-4-(4-cyanophenyl)-2,5-dioxo-1-[3-(trifluoromethyl)phenyl]-4,7-dihydro-3H-pyrrolo[3,4-d]pyrimidin-6-yl]propyl]-2,5-dioxo-1-[3-(trifluoromethyl)phenyl]-4,7-dihydro-3H-pyrrolo[3,4-d]pyrimidin-4-yl]benzonitrile 956486-39-8 C43H30F6N8O4
    4-[(4R)-6-[3-[(4R)-4-(4-cyanophenyl)-2,5-dioxo-1-[3-(trifluoromethyl)phenyl]-4,7-dihydro-3H-pyrrolo[3,4-d]pyrimidin-6-yl]propyl]-2,5-dioxo-1-[3-(trifluoromethyl)phenyl]-4,7-dihydro-3H-pyrrolo[3,4-d]pyrimidin-4-yl]benzonitrile
    —— 4-(cyanomethoxycarbonylmethylene)-2-diethylamino-3-methylthiete 92486-79-8 C12H16N2O2S
    4-(cyanomethoxycarbonylmethylene)-2-diethylamino-3-methylthiete
    —— (4-Nitro-phenyl)-phenoxy-acetonitrile 117408-61-4 C14H10N2O3
    (4-Nitro-phenyl)-phenoxy-acetonitrile
    —— (4aR,13bS)-11,12-Dimethoxy-4a,5-dihydro-indolo[7a,1-a]isoquinoline-2,6-dione 94272-94-3 C18H17NO4
    (4aR,13bS)-11,12-Dimethoxy-4a,5-dihydro-indolo[7a,1-a]isoquinoline-2,6-dione
    —— 4-(4-fluorophenoxy)pyridine-2-carboxylic acid (4-isobutylmorpholin-2-ylmethyl)amide 1336913-08-6 C21H26FN3O3
    4-(4-fluorophenoxy)pyridine-2-carboxylic acid (4-isobutylmorpholin-2-ylmethyl)amide
    —— 4-(2-imidazo)ethyl-spiro[(dihydropyrazin-2,5-dione)-6,3'-(2,3-dihydrothieno[2,3-b]naphtho-4',9'-dione)] 1027135-53-0 C20H16N4O4S
    4-(2-imidazo)ethyl-spiro[(dihydropyrazin-2,5-dione)-6,3'-(2,3-dihydrothieno[2,3-b]naphtho-4',9'-dione)]